How to Care For an HVAC System

An HVAC system or Heating, Ventilation, and Air Conditioning system is a system that keeps the air clean and keeps the inside air cold or warm depending on the needs of the people that own it. Since it has a very important, task, it is important to install them properly, keep them properly maintained, and make sure that they get repairs when necessary. A person can install an HVAC unit by themselves if they purchase the proper tools and follow the instructions. As licensed and insured plumbers Long Island, you can have peace of mind that your plumbing issue will be repaired within a quick time-frame. Contact us today for a free estimate!


To install an HVAC system, these items are needed: HVAC hand tools, electrical tools, pipe wrenches, gas piping fittings, electrical wire and fittings, sheet metal ductwork fittings, PVC drain pipe and fittings, PVC glue and cleaner, pipe thread compound, and a cordless drill. Then a HVAC unit needs to be bought from an HVAC supplier. These next few instructions are for if there is already a unit in place. The power to the HVAC unit needs to be cut off, the breaker unit needs to be turned off, and all wiring from the unit needs to be taken out. The wires need to be labeled to go along with the terminal that they belong to. If it is a natural gas unit, the gas valve to the unit needs to be cut off. Do not disconnect anything at or above the valve. Then the sheet metal supply air plenum and return air duct from the unit. Based on how it is connected, the duct will either have to be unscrewed or cut the duct with aviation snips. Then remove the unit from its place and since it is not connected to anything, it should come out easily. No matter whether it is a new or replacement unit, the new unit is then put into place. It will more than likely take a lot of reconnection work to make sure everything is hooked up to the new unit just the way it should be.  If you’re having issues, or want someone else to fix it for you you can contact the NYC HVAC crew.

Then the air supply plenum needs to be connected to the top of the HVAC unit. A sheet metal transition will more than likely be needed to make the connection from the old plenum to the top of the unit. A lot of the newer units are not as tall as the older ones. If it is taller, the current plenum will need to be cut back. A sheet metal shop can fabricate some duct for you. Connect the return air duct up to the side of the unit. A hole will have to be cut in the side of the unit to match the size of the return duct. An extension piece may be needed or some may have to be cut off based on what the unit configurations is. If it is natural gas, reconnect the gas piping to the unit. Then connect the electrical wiring back to the unit. Look at local electrical codes to know how to make the connections. Connect the condensate piping back to the unit. Make sure that it is trapped and vented according to local plumbing code so that it will drain properly. Reconnect the thermostat wires to the unit. Connect them according to how they were labeled at the beginning.. Remove the labels after they are connected. The last steps to installation are to turn the gas valve and the electrical breaker back onto the unit. The HVAC unit ought to be correctly installed now. If it is, the thermostat will turn on. If an HVAC technician does the installation, there are steps that they follow when installing a system.

When an HVAC technician installs a unit, they will be an expert on reading the blueprints that are needed for the installation and will get the area ready for the installation. This could include construction of the ductwork and installation as well as installation of the equipment that is needed. They are responsible for ensuring that the installation is performed in compliance with local regulations and that the unit will give enough air and heat needed for the space. Maintaining an HVAC unit is very important as well.